Watch List notes:

(x) Iceni, Antedios (c. AD 10-30), silver Unit, 'ECEN Symbol' type, 1.23g, two opposed crescents, rev. stylised horse (VA 710; S.441; ABC 1642), good fine.
provenance
From the Nomos Brasiliana Collection (NB205) [via York Coins]
Estimate: £80 - £100